Lightning Calendar is described as 'Organize your schedule and life’s important events in a calendar that’s fully integrated with your Thunderbird or Seamonkey email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars' and is a very popular Calendar app in the office & productivity category. There are more than 50 alternatives to Lightning Calendar for a variety of platforms, including Windows, iPhone, Mac, Linux and Web-based apps. The best Lightning Calendar alternative is Google Calendar. It's not free, so if you're looking for a free alternative, you could try Google Calendar or Proton Calendar. Other great apps like Lightning Calendar are Etar, Fantastical, Nextcloud Calendar and Simple Calendar.
Manage events seamlessly with syncing across devices, automatic event creation from Gmail, shareable schedules, customizable reminders, and a user-friendly interface. Features include dark mode, integration with Google services, and support for recurring events and global time zones.
United States
Switzerland
Your privacy-aware, open-source calendar with intuitive design and multi-platform syncing.
India
Germany
EU
Simplify scheduling with natural language input, major platform sync, vibrant color-coded views, personalized writing style recognition, task and conference call integration, and customizable widgets for comprehensive calendar management.
United States
Calendar interface for CalDAV enabling cross-device event sync, web-based editing, recurring events, Nextcloud Contacts integration, WebCal subscriptions, attendee invites, color coding, event notifications, privacy-focused hosting, and import/export support.
GermanyEU
A simple calendar with optional CalDAV synchronization. You can easily create recurring events and setup reminders, it can also display week numbers.
Israel
Experience a fully integrated calendar with Notion, syncing events from Google Calendar, offering built-in scheduling, time zone support, and the ability to connect multiple accounts. Manage all events, personal and work, with a modern design, light and dark modes, and Lock Screen support for iOS 17.
United States
The powerful, full-featured Personal Information Manager for Windows offering Email, Synchronization, Portability, Network support, Android and iOS versions.
EstoniaEU
Keep track of your busy schedule and share it with others using Calendar. Create separate calendars — one for home, another for school, a third for work, and so on. See all your calendars in a single window or choose to see only the calendars you want.
United States
Brings together calendars, to-dos, productivity apps, and schedulers in one platform. Integrates with major services like Google Calendar, iCloud, Todoist, and video conferencing tools such as Zoom. Offers native scheduling similar to Calendly, enhancing time management efficiency.
Switzerland
Rainlendar is a feature rich calendar application that is easy to use and doesn't take much space on your desktop. The application is platform independent so you can run it on all major operating systems: Windows, Linux and Mac OS X.
FinlandEU
